Poverty line for each household is $11770 + $4160 per person. Average persons per household is 2.58. So the average cost per household would be $18343. There a

Poverty line for each household is $11770 + $4160 per person. Average persons per household is 2.58. So the average cost per household would be $18343. There are 318.9 million people in the US. Divide by persons per household yields 123.6 million households. Multiply the two: $2.267 trillion. Of course, if this is how the math ends up going, there would be a huge incentive ($7610) for two persons to remain "individual households".